Hello,
We would like to inform you that long erase needs to be supported by the device.
you can click on the device tab-click on specific device and then right click and try erase.
http://support.veritas.com/docs/238752
Please update if you cannot see this option.
Thanks,
NOTE : If we do not receive your reply within two business days, this post would be marked assumed answered and would be moved to answered questions pool.